diff --git a/orm_lib/inc/drogon/orm/DbClient.h b/orm_lib/inc/drogon/orm/DbClient.h
index e254668c..6646c956 100644
--- a/orm_lib/inc/drogon/orm/DbClient.h
+++ b/orm_lib/inc/drogon/orm/DbClient.h
@@ -300,12 +300,12 @@ inline void internal::TrasactionAwaiter::await_suspend(
 {
     assert(client_ != nullptr);
     client_->newTransactionAsync(
-        [this, handle](const std::shared_ptr<Transaction> transacton) {
-            if (transacton == nullptr)
+        [this, handle](const std::shared_ptr<Transaction> &transaction) {
+            if (transaction == nullptr)
                 setException(std::make_exception_ptr(
-                    std::runtime_error("Failed to create transaction")));
+                    Failure("Failed to create transaction")));
             else
-                setValue(transacton);
+                setValue(transaction);
             handle.resume();
         });
 }
diff --git a/orm_lib/tests/db_test.cc b/orm_lib/tests/db_test.cc
index b57aa2a4..8ce12abb 100644
--- a/orm_lib/tests/db_test.cc
+++ b/orm_lib/tests/db_test.cc
@@ -33,7 +33,7 @@ using namespace drogon::orm;
 #define GREEN "\033[32m" /* Green */
 
 #ifdef __cpp_impl_coroutine
-constexpr int postgre_tests = 46;
+constexpr int postgre_tests = 47;
 constexpr int mysql_tests = 47;
 constexpr int sqlite_tests = 49;
 #else
@@ -743,9 +743,9 @@ void doPostgreTest(const drogon::orm::DbClientPtr &clientPtr)
             testOutput(result.size() != 0,
                        "postgresql - DbClient coroutine interface(0)");
         }
-        catch (const Failure &e)
+        catch (const DrogonDbException &e)
         {
-            std::cerr << e.what() << std::endl;
+            std::cerr << e.base().what() << std::endl;
             testOutput(false, "postgresql - DbClient coroutine interface(0)");
         }
         /// 7.2 Parameter binding
@@ -756,11 +756,26 @@ void doPostgreTest(const drogon::orm::DbClientPtr &clientPtr)
             testOutput(result.size() != 0,
                        "postgresql - DbClient coroutine interface(1)");
         }
-        catch (const Failure &e)
+        catch (const DrogonDbException &e)
         {
-            std::cerr << e.what() << std::endl;
+            std::cerr << e.base().what() << std::endl;
             testOutput(false, "postgresql - DbClient coroutine interface(1)");
         }
+        /// 7.3 Transactions
+        try
+        {
+            auto trans = co_await clientPtr->newTransactionCoro();
+            auto result =
+                co_await trans->execSqlCoro("select * from users where 1=$1;",
+                                            1);
+            testOutput(result.size() != 0,
+                       "postgresql - DbClient coroutine interface(2)");
+        }
+        catch (const DrogonDbException &e)
+        {
+            std::cerr << e.base().what() << std::endl;
+            testOutput(false, "postgresql - DbClient coroutine interface(2)");
+        }
     };
     drogon::sync_wait(coro_test());
 #endif
@@ -1394,12 +1409,12 @@ void doMysqlTest(const drogon::orm::DbClientPtr &clientPtr)
             auto result =
                 co_await clientPtr->execSqlCoro("select * from users;");
             testOutput(result.size() != 0,
-                       "postgresql - DbClient coroutine interface(0)");
+                       "mysql - DbClient coroutine interface(0)");
         }
-        catch (const Failure &e)
+        catch (const DrogonDbException &e)
         {
-            std::cerr << e.what() << std::endl;
-            testOutput(false, "postgresql - DbClient coroutine interface(0)");
+            std::cerr << e.base().what() << std::endl;
+            testOutput(false, "mysql - DbClient coroutine interface(0)");
         }
         /// 7.2 Parameter binding
         try
@@ -1407,12 +1422,12 @@ void doMysqlTest(const drogon::orm::DbClientPtr &clientPtr)
             auto result = co_await clientPtr->execSqlCoro(
                 "select * from users where 1=?;", 1);
             testOutput(result.size() != 0,
-                       "postgresql - DbClient coroutine interface(1)");
+                       "mysql - DbClient coroutine interface(1)");
         }
-        catch (const Failure &e)
+        catch (const DrogonDbException &e)
         {
-            std::cerr << e.what() << std::endl;
-            testOutput(false, "postgresql - DbClient coroutine interface(1)");
+            std::cerr << e.base().what() << std::endl;
+            testOutput(false, "mysql - DbClient coroutine interface(1)");
         }
     };
     drogon::sync_wait(coro_test());
@@ -2074,12 +2089,12 @@ void doSqliteTest(const drogon::orm::DbClientPtr &clientPtr)
             auto result =
                 co_await clientPtr->execSqlCoro("select * from users;");
             testOutput(result.size() != 0,
-                       "postgresql - DbClient coroutine interface(0)");
+                       "sqlite3 - DbClient coroutine interface(0)");
         }
-        catch (const Failure &e)
+        catch (const DrogonDbException &e)
         {
-            std::cerr << e.what() << std::endl;
-            testOutput(false, "postgresql - DbClient coroutine interface(0)");
+            std::cerr << e.base().what() << std::endl;
+            testOutput(false, "sqlite3 - DbClient coroutine interface(0)");
         }
         /// 7.2 Parameter binding
         try
@@ -2087,12 +2102,12 @@ void doSqliteTest(const drogon::orm::DbClientPtr &clientPtr)
             auto result = co_await clientPtr->execSqlCoro(
                 "select * from users where 1=?;", 1);
             testOutput(result.size() != 0,
-                       "postgresql - DbClient coroutine interface(1)");
+                       "sqlite3 - DbClient coroutine interface(1)");
         }
-        catch (const Failure &e)
+        catch (const DrogonDbException &e)
         {
-            std::cerr << e.what() << std::endl;
-            testOutput(false, "postgresql - DbClient coroutine interface(1)");
+            std::cerr << e.base().what() << std::endl;
+            testOutput(false, "sqlite3 - DbClient coroutine interface(1)");
         }
     };
     drogon::sync_wait(coro_test());
diff --git a/trantor b/trantor
index b7c16286..e35fd046 160000
--- a/trantor
+++ b/trantor
@@ -1 +1 @@
-Subproject commit b7c16286cdd4147e6ddf6b3831dc0578c794c10b
+Subproject commit e35fd046ac8a58bec3557c0c207a3e0b8ae57d38